package org.bouncycastle.cert;

import java.util.ArrayList;
import java.util.List;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.asn1.x509.AttCertIssuer;
import org.bouncycastle.asn1.x509.GeneralName;
import org.bouncycastle.asn1.x509.GeneralNames;
import org.bouncycastle.asn1.x509.V2Form;
import org.bouncycastle.util.Selector;

Carrying class for an attribute certificate issuer.
/** * Carrying class for an attribute certificate issuer. */
public class AttributeCertificateIssuer implements Selector { final ASN1Encodable form;
Set the issuer directly with the ASN.1 structure.
Params:
  • issuer – The issuer
/** * Set the issuer directly with the ASN.1 structure. * * @param issuer The issuer */
public AttributeCertificateIssuer(AttCertIssuer issuer) { form = issuer.getIssuer(); } public AttributeCertificateIssuer(X500Name principal) { form = new V2Form(new GeneralNames(new GeneralName(principal))); } public X500Name[] getNames() { GeneralNames name; if (form instanceof V2Form) { name = ((V2Form)form).getIssuerName(); } else { name = (GeneralNames)form; } GeneralName[] names = name.getNames(); List l = new ArrayList(names.length); for (int i = 0; i != names.length; i++) { if (names[i].getTagNo() == GeneralName.directoryName) { l.add(X500Name.getInstance(names[i].getName())); } } return (X500Name[])l.toArray(new X500Name[l.size()]); } private boolean matchesDN(X500Name subject, GeneralNames targets) { GeneralName[] names = targets.getNames(); for (int i = 0; i != names.length; i++) { GeneralName gn = names[i]; if (gn.getTagNo() == GeneralName.directoryName) { if (X500Name.getInstance(gn.getName()).equals(subject)) { return true; } } } return false; } public Object clone() { return new AttributeCertificateIssuer(AttCertIssuer.getInstance(form)); } public boolean equals(Object obj) { if (obj == this) { return true; } if (!(obj instanceof AttributeCertificateIssuer)) { return false; } AttributeCertificateIssuer other = (AttributeCertificateIssuer)obj; return this.form.equals(other.form); } public int hashCode() { return this.form.hashCode(); } public boolean match(Object obj) { if (!(obj instanceof X509CertificateHolder)) { return false; } X509CertificateHolder x509Cert = (X509CertificateHolder)obj; if (form instanceof V2Form) { V2Form issuer = (V2Form)form; if (issuer.getBaseCertificateID() != null) { return issuer.getBaseCertificateID().getSerial().getValue().equals(x509Cert.getSerialNumber()) && matchesDN(x509Cert.getIssuer(), issuer.getBaseCertificateID().getIssuer()); } GeneralNames name = issuer.getIssuerName(); if (matchesDN(x509Cert.getSubject(), name)) { return true; } } else { GeneralNames name = (GeneralNames)form; if (matchesDN(x509Cert.getSubject(), name)) { return true; } } return false; } }